Locomotive booster suspension



Feb. 17, 1931. A. w. BRUCE LOCOMOTIVE BOOSTER SUSPENSION Filed June 1.1929 N GET INVENTOR BY fl/fred I'VE/woe A T RNEY Patented Feb. 17, 1931j 1 7g3 49 burran: srA'ras PTENT orrlcs ALFRED w. BRUGE, or new roax, n.Y.

LOCOMGTIVE BOC-STER- SUSPENSION Application filed June 1, 1929. SerialNo. 367,728.

This invention relates generally to railway adapted to be seated insuitable receptacles locomotives, and more particularly to supformed onthe bottom of the journal boxd. ports for booster motors commonlyapplied Midway of its transverse length is mounted to the trailingtrucks of such locomotives. the pivotal means 13, adapted to support Anobject of the invention is to provide a the booster motor 6, on theequalizer S, the support for booster motors wherebyj said 'ralne member2, being suitably apertured to motor may be suspended from the springpermit the shank of the pivotal means 13, to system of the locomotivewholly independent pass freely therethrough. ly of the truck frame, orthe main frame of A preferred form of construction illus- 10 thelocomotive. Another object of the inventrated in Fig. 4,'has a tubularbushing tion is to utilize a cross equalizer of a system mounted in thehanger 9 and the equalizer 8, of equalized spring suspension, to supporta the pin 10, being adapted to pass conjointly. booster motor andmaintain it in alignment through the said bushing 15 and the truck withthe axle with which it is associated, in frameside members 1.

15 such a manner that no additional stress will It is thus seen that thesupport of the boostbe imposed thereby on the frame of the truck ormotor 6, is accomplished by the interin which it is incorporated. actionof the leaf spring 7 the hanger 9, the

The improvement claimed is hereinafter cross equalizer 8, and thejournal box 4, all fully set forth. I acting wholly independently of thetruck In the accompanying drawing: Figure 1 frame 1, or the main frameof the locomotive, is a side View, partially in section, of a porandthat the disposition of the parts is such tion of a trailing truck towhich the invenas to ensure the alignment of said booster tion isapplied; Fig. 2, a half plan View, parmotor with its cooperant axle.

M tially in section, of the same; Fig. 3, a half The invention claimedand desired to be rear view of a portion of the truck; and, Fig. securedby Letters Patent is: l 4, is an enlarged section in elevation, on 1.The combination of a booster driven the line IVIV of Fig. 2. axis,ournal boxes therefor, springs mount- In the practice of the invention,referring ed on the journal boxes, and a booster motor descriptively tothe specific embodiment support seated on the journal boxes andsupthereof which is herein exemplified, the trailported by the saidsprings. ing truck comprises the side members 1, in 2. The combinationof a booster driven which are formed pedestals 8, for the recepaxle,ournal boxes therefor, springs mounted tion of the journal boxes 4,mounted on the on the ournal boxes, and a booster motor axle 5, to whichlatter member is operatively support seated on the ournal boxes.connected th b t motor 6 3. The combination of a booster driven The sidemembers 1, are usually oined by axle: lQ bQXQS theTefOlB Springs mounthGrass member 2 f tl f d i ed on the ournal boxes, and booster motortegral therewith. Mounted on the axle box 4, pp et y bearlng Journal isthe leaf spring'f, connected at its forward boxes and supimrted by the531d Springs 7 m X q -5 ec end to an equalizer, and at its rearward endPfiQFEU? ft t g fti to the cross equalizer 8, by means of the m0 Opelaule y onlecdm 18 r nal boxes on the axle, springs mounted 011 the .Sprmghanger. mrmtgh Whlch a at journal boxes, and means pivotally bearing 3 Ri the glb and at Its tower on the journal boxes and connected to the 45?end, isbored for the receptlon of the pm 10, springs for Supporting saidbooster motor. or; 531d P P g through the frame the 5. In a locomotive,atrailer axle, abooster cross equalizer 8, and the hanger 9, as shownmotor ti l t d-t th 1 ,j in Fig. 4. mil boxes on the axle, springsmounted on m The cross equalizer 8 is substantially U- the journalboxes, and means pivotally enshaped in form, and has its extremities l2,gaging the motor and the journal boxes for supporting the motor fromsaid springs and journal boxes.

6. In a locomotive, a truck including an axle, journal boxes on theaxle, a booster motor operatively connected with the axle, a truckframe, and springs and an associated cross equalizer interposed betweenthe journal boxes and the frame, the said cross equalizer supporting thebooster motor and bearing on the journal boxes.

4. A spring supportin system for a locomotive having a booster motor,comprising leaf springs and a cross-equalizer operably connected withsaid springs and adapted for supporting the booster motor.

8. A booster motor, an axle driven thereby, journal boxes mounted on theaxle, and an equalizer system fromwhich the axle receives its load, saidequalizer system including a cross equalizer supporting the boostermotor and pivotally bearing on the ournal boxes.

9. In a locomotive, a booster motor, an axle driven thereby, boxes forthe axle, means for transmitting the axle carrying load to the upperfaces of the boxes, means for unba'lancingly supporting the motor, andmeans engaging the lower faces of the boxes whereby said faces resistthe unbalanced weight of the motor.

10. A booster motor carrying member, adapted to partly support a boostermotor of a locomotive, said member being adaptedto be fulcrumed onequalizing system members of the locomotive, one end of said carryingmember being adapted for supporting the booster motor and the other endfor t ansmitting the load to the axle boxes of the booster driven axleof the locomotive.

11. In a locomotive, the combination of a booster motor, booster motordriven axle boxes, and an equalizing system, comprising springssupported on the boxes, equalizing hangers secured to the springs, and abooster motor supporting U-shaped member connected to the hangers.

12. In a locomotive, a booster motor support, comprising an equalizingsystem hanger, a. booster motor support connected to the hanger, andmeans independent of the connection between the hanger and support forconnecting the hanger to the load carrying structure of the locomotive.

13. In a locomotive, a truck frame, a; booster motor, equalizer hangers,a booster motor support, hollow connections connecting the support withthe hangers, andpins extending through the hollow supports and connectedto the frame.

14. In a truck for locomotives, the combination of a: frame comprisingside frame members, each havin a: pair of pedestal jaws; an axle; ajournal box fitted in each pair of pedestal-jaws and mounted on theaxle; a springmounted"on= top of eaelrjou z- ALFRED W. BRUCE.

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